Share-Based Compensation - Weighted Average Fair Value for Stock Options Granted (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]
Dividend yield	0.80%	0.60%	0.60%
Volatility	30.20%	30.30%	22.30%
Risk-free interest rate	1.90%	0.70%	1.30%
Expected life (years)	5 years	5 years 4 months 24 days	5 years
Weighted average fair value of options granted	$ 32.07	$ 43.91	$ 31.65
Intrinsic value of options exercised (in millions)	$ 20.5	$ 54.6	$ 50.1
Tax benefit of options exercised (in millions)	$ 4.0	$ 10.8	$ 9.6